|Family and Relations||Unknown|
|First Appearance||Great Mazinger (TV): Ep. 19|
Gidonius had a large ant like body with a large brown abdomen, lined with missile silos. A grey head and body, four legs, a slightly fish like head, large bull horns, a sharp beak like face above his other head and a yellow and black striped line down his back.
Powers and AbilitiesEdit
Gidonius could fire many missiles from his abdomen, and a larger scale destructive one. He could emit fire and swim in deep water. He could transform into an armored ball also.
Gidonius was sent by General Draydou to rampage through a city, later he encountered Venus Aand he wasn´t taken out by Jun due to a severe depression, then Gidonius kept rampaging until Great Mazinger shows up and cuts Gidonius head and then in half, destroying him.